Case insensitive uportal usernames
Revert "Case insensitive uportal usernames"

This reverts commit 145a156784bded2b21d4660bb410d769af3a1a47.
Revert "Revert "Case insensitive uportal usernames""

This reverts commit 15daa18e62e284e31a86b988f704f4964bf8c254.
Centralize config